* Tighten up psf/black and flake8 * Fix some tests * Fix some E741 * Fix some E741 * updating DIRECTORY.md Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
The loop for finding differences had issues of float being iterated. Has been fixed.
Partition a set into two subsets such that the difference of subset sums is minimum